Havilah Resources Ltd (ASX:HAV) has achieved a watershed commercial and operational breakthrough, executing definitive transaction agreements with premier mid-tier copper producer Sandfire Resources Limited to develop the world-class Kalkaroo Copper-Gold Project in South Australia's Curnamona Province. Following the formal conclusion of a previous evaluation alliance with BHP, Havilah secured an expansive, highly structured Partnership with Sandfire that combines an immediate earn-in development pathway for Kalkaroo with a $30 million regional exploration strategic alliance across Havilah's 16,000-square-kilometre tenement package.

Transformative Strategic Partnership with Sandfire

Under the terms of the definitive agreement, Sandfire has committed substantial upfront Capital and exploration funding, with the right to earn up to an 80% interest in Kalkaroo by completing a bankable definitive feasibility study and funding subsequent project development milestones up to $205 million. This partnership provides Havilah with elite technical and financial backing from one of the Mining industry's most successful copper developers, fully funding regional exploration while preserving substantial Equity upside for Havilah shareholders.

Scale and Endowment of the Giant Kalkaroo Deposit

Situated near the historic mining centre of Broken Hill, Kalkaroo represents one of the largest undeveloped open-pit copper-gold deposits in Australia on a JORC mineral resource basis. The deposit hosts a massive endowment containing 1.1 million tonnes of copper, 3.1 million ounces of gold, and 23,200 tonnes of cobalt across granted mining leases with comprehensive environmental approvals already secured. The deposit is characterised by shallow, continuous mineralisation featuring a high-grade gold-bearing oxide cap underlain by a thick primary copper-gold-cobalt sulphide ore body.

In addition to Kalkaroo, Havilah owns the advanced Mutooroo copper-cobalt-gold project, containing 13.1 million tonnes at 1.53% copper, 0.16% cobalt, and 0.20g/t gold. This portfolio positions Havilah as a critical supplier of commodities vital for global energy decarbonisation, electric vehicle grid expansion, and monetary capital preservation.

Market Outperformance and Valuation Rerating

In the completed ASX Trading session on 2 October 2026, shares in Havilah Resources Ltd surged $0.040 or 5.33% to close at $0.790, trading between $0.750 and $0.790 on Volume of 86,056 shares. At this share price, Havilah commands a Market Capitalisation of $279.64 million, recording an exceptional 243.48% gain over the preceding 12-month period as the market re-rated the company following the Sandfire transaction.

Havilah's Balance Sheet has been dramatically de-risked by Sandfire's multi-million-dollar funding commitments. With regional exploration overheads and Kalkaroo feasibility workflows fully financed by Sandfire, Havilah operates with minimal corporate burn, preserving precious equity capital while maintaining massive operational Leverage to long-term copper growth.

Operational Catalysts and Feasibility Milestones

Under the Sandfire alliance, extensive technical work programmes are underway at Kalkaroo, focused on geotechnical diamond drilling, metallurgical flowsheet optimisation, and updated pit design studies. The partners aim to validate enhanced recoveries of copper, gold, and byproduct cobalt, supporting the completion of a bankable feasibility study.

Simultaneously, the $30 million regional exploration alliance is deploying advanced geophysics and deep drilling across untested regional targets throughout the Curnamona Province. Targeting giant Olympic Dam-style iron-oxide copper-gold (IOCG) systems and SedEx-style base metal deposits, the alliance offers recurring multi-commodity discovery potential across one of Australia's premier under-explored mineral terranes.

Material Risks and Development Hazards

Despite top-tier corporate backing, investors assessing Havilah must consider inherent mining development risks. Advancing a mega-project like Kalkaroo requires hundreds of millions of dollars in capital expenditure, subject to commercial final Investment decisions, power line infrastructure procurement, and water Supply agreements in an arid regional environment.

Furthermore, Sandfire retains discretionary rights regarding earn-in continuation, where adverse feasibility findings or shifts in corporate strategy could impact development timetables. Project Economics also remain sensitive to global copper and gold pricing, contractor construction inflation, and long-term metallurgical recovery performance under large-scale concentrator operating conditions.